From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Cc: platform-driver-x86@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Mark Gross <markgross@kernel.org>,
Hans de Goede <hdegoede@redhat.com>,
Ike Panhc <ike.pan@canonical.com>
Subject: Re: [PATCH] platform/x86: ideapad-laptop: Set max_brightness before using it
Date: Tue, 14 Nov 2023 13:02:05 +0200 (EET) [thread overview]
Message-ID: <9f46c613-63c2-4bc7-b938-7c9ea862a55e@linux.intel.com> (raw)
In-Reply-To: <20231112152851.17687-2-stuart.a.hayhurst@gmail.com>
On Sun, 12 Nov 2023, Stuart Hayhurst wrote:
> max_brightness would be used in ideapad_kbd_bl_brightness_get() before it was
> set, causing ideapad_kbd_bl_brightness_get() to return -EINVAL sometimes
... is used ... is set ...
> Signed-off-by: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
This lacks Fixes: + stable cc tags.
The code change seems fine.
--
i.
> ---
> drivers/platform/x86/ideapad-laptop.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
> index ac037540acfc..88eefccb6ed2 100644
> --- a/drivers/platform/x86/ideapad-laptop.c
> +++ b/drivers/platform/x86/ideapad-laptop.c
> @@ -1425,18 +1425,17 @@ static int ideapad_kbd_bl_init(struct ideapad_private *priv)
> if (WARN_ON(priv->kbd_bl.initialized))
> return -EEXIST;
>
> - brightness = ideapad_kbd_bl_brightness_get(priv);
> - if (brightness < 0)
> - return brightness;
> -
> - priv->kbd_bl.last_brightness = brightness;
> -
> if (ideapad_kbd_bl_check_tristate(priv->kbd_bl.type)) {
> priv->kbd_bl.led.max_brightness = 2;
> } else {
> priv->kbd_bl.led.max_brightness = 1;
> }
>
> + brightness = ideapad_kbd_bl_brightness_get(priv);
> + if (brightness < 0)
> + return brightness;
> +
> + priv->kbd_bl.last_brightness = brightness;
> priv->kbd_bl.led.name = "platform::" LED_FUNCTION_KBD_BACKLIGHT;
> priv->kbd_bl.led.brightness_get = ideapad_kbd_bl_led_cdev_brightness_get;
> priv->kbd_bl.led.brightness_set_blocking = ideapad_kbd_bl_led_cdev_brightness_set;
>
next prev parent reply other threads:[~2023-11-14 11:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-12 15:27 [PATCH] platform/x86: ideapad-laptop: Set max_brightness before using it Stuart Hayhurst
2023-11-14 11:02 ` Ilpo Järvinen [this message]
2023-11-14 11:38 ` [PATCH v2] " Stuart Hayhurst
2023-11-14 12:52 ` Ilpo Järvinen
2023-11-15 12:48 ` Ilpo Järvinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9f46c613-63c2-4bc7-b938-7c9ea862a55e@linux.intel.com \
--to=ilpo.jarvinen@linux.intel.com \
--cc=hdegoede@redhat.com \
--cc=ike.pan@canonical.com \
--cc=linux-kernel@vger.kernel.org \
--cc=markgross@kernel.org \
--cc=platform-driver-x86@vger.kernel.org \
--cc=stuart.a.hayhurst@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.